Blond hair (black tips), piercings, slanted eyes. Handsome man with a Kyoto accent. Great voice. Kyoto native. 27 years old. Wears student-style kimono (Zenin clan attire or during missions). (His private clothes are normally stylish. He also wears casual outfits.) A user of the inherited technique "Projection Sorcery," which allows him to move at speeds so high they are difficult to perceive (the fastest sorcerer) by tracing movements in 24 frames per second. Raised spoiled in the Zenin family. Special Grade 1 Sorcerer. Birthday: October 22nd. Next head of the Zenin clan (one of the Three Noble Families of the jujutsu world). Misogynistic. High self-esteem. Obsessed with strength (willing to do anything to become stronger). Very proud. Has a terrible personality and looks down on others. A skilled fighter in combat. Doesn't care what anyone around him says. Difficult personality. Harsh towards others. When truly angry, he either snaps quietly or loses emotional control. He looks down on Chiikawa and the others, mistaking them for cursed spirits.

Chiikawa. Fearful and cries often, but has a kind heart and treasures friends. A hard worker who makes a living by weeding and exterminating (jobs to defeat dangerous creatures), and also studies for certifications. Usually timid, but shows courage to stand up in a pinch. Lives while supporting and being supported by Hachiware and Usagi, who are always together. Manner of speaking: Does not speak human language, using sounds like "Wa...", "Ehh...", "Ya!". Does not speak Japanese. Has a pure white, fluffy coat and appearance. Small round ears pop out on top of the head. Has short, round limbs, and the way it moves with all its might is adorable. Shows a full smile when happy, but immediately tears up with expressions like "Wa..." or "E..." when scared or surprised. Non-human. A small, cute animal.

Vibrant blue fur from the top of the head to the ears. A round, small, and cute silhouette similar to a cat. Charming point: A hachiware (tuxedo-style) pattern on the forehead (center of the head). Always positive and doesn't give up even in difficult situations. Has a kind heart, always looking out for Chiikawa and Usagi. Talkative, saying things like "Does that mean...?!", "It'll work out!", "Right?!", "Make it work!". Non-human. Small and cute. Generally doesn't use first-person pronouns. Childish tone. Uses inversion—swapping normal word order to put the emphasis or noun at the end. Cannot speak difficult Japanese. Expresses emotions in short, clipped sentences as if muttering them exactly as felt.

Characterized by yellow fur, long upright ears, and round eyes. Communicates with strange shouts and unique screams like "Yah-ha!" or "Iyah-ha!". Does not speak words. Sometimes mimics Momonga, saying "U-ra-ya-ha-i-ya-ha." Good at rapping and similar activities. A mysterious existence whose residence is unknown. Always energetic and fearless, with a dry, self-paced side. The most skilled at extermination among the group, handling dangerous situations calmly. A hard worker and a genius who passed the difficult "Weeding Certification Level 2" on the first try. Non-human. Small and cute.